# Scrapy settings for work_data project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     https://docs.scrapy.org/en/latest/topics/settings.html
#     https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
#     https://docs.scrapy.org/en/latest/topics/spider-middleware.html

BOT_NAME = 'work_data'

SPIDER_MODULES = ['work_data.spiders']
NEWSPIDER_MODULE = 'work_data.spiders'

# Crawl responsibly by identifying yourself (and your website) on the user-agent
# USER_AGENT = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko)\
#             Chrome/107.0.0.0 Safari/537.36 Edg/107.0.1418.56"

# Obey robots.txt rules
ROBOTSTXT_OBEY = False

# https://blog.csdn.net/qq_30183767/article/details/89291647
RETRY_ENABLED = True  # 打开重试开关
RETRY_TIMES = 3  # 重试次数
DOWNLOAD_TIMEOUT = 5  # 超时
RETRY_HTTP_CODES = [500, 502]  # 状态码再500，502时重试

# Configure maximum concurrent requests performed by Scrapy (default: 16)
CONCURRENT_REQUESTS = 16

# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
DOWNLOAD_DELAY = 8
RANDOMIZE_DOWNLOAD_DELAY = True
# The download delay setting will honor only one of:
# CONCURRENT_REQUESTS_PER_DOMAIN = 16
# CONCURRENT_REQUESTS_PER_IP = 16

# Disable cookies (enabled by default)
# COOKIES_ENABLED = False

# Disable Telnet Console (enabled by default)
# TELNETCONSOLE_ENABLED = False

# Override the default request headers:
# DEFAULT_REQUEST_HEADERS = {
#   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
#   'Accept-Language': 'en',
# }

# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
# SPIDER_MIDDLEWARES = {
#    'work_data.middlewares.WorkDataSpiderMiddleware': 543,
# }

# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
DOWNLOADER_MIDDLEWARES = {
    # 'work_data.middlewares.ProxyMiddleware': 100,
    'work_data.middlewares.MyUseragent': 542,
    'work_data.middlewares.WorkDataDownloaderMiddleware': 543,
}

# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
# EXTENSIONS = {
#    'scrapy.extensions.telnet.TelnetConsole': None,
# }

# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
ITEM_PIPELINES = {
    'work_data.pipelines.WorkDataPipeline': 300,
    # 'work_data.pipelines.CsvPrintPipeline': 301,

}

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
# AUTOTHROTTLE_ENABLED = True
# The initial download delay
# AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
# AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
# AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
# AUTOTHROTTLE_DEBUG = False

# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
# HTTPCACHE_ENABLED = True
# HTTPCACHE_EXPIRATION_SECS = 0
# HTTPCACHE_DIR = 'httpcache'
# HTTPCACHE_IGNORE_HTTP_CODES = []
# HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'


# PROXIES = ['https://114.4.104.254:3128', 'https://45.174.87.18:999', 'https://51.79.101.5:3128'
#             , 'https://45.173.44.9:999', 'https://111.229.161.172:888', 'https://123.57.139.222:8080'
#             , 'https://203.77.231.90:9812', 'https://143.244.133.78:80', 'https://122.155.165.191:3128'
#             , 'https://103.36.35.135:8080', 'https://47.105.54.91:3128', 'https://185.15.172.212:3128'
#            ]
